kosaki	2011-04-30 16:49:29 +0900 (Sat, 30 Apr 2011)

  New Revision: 31392

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=31392

  Log:
    * benchmark/bm_io_select3.rb: New.

  Added files:
    trunk/benchmark/bm_io_select3.rb
  Modified files:
    trunk/ChangeLog
    trunk/benchmark/bm_io_select2.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 31391)
+++ ChangeLog	(revision 31392)
@@ -1,3 +1,7 @@
+Sat Apr 30 16:48:36 2011  KOSAKI Motohiro  <kosaki.motohiro@g...>
+
+	* benchmark/bm_io_select3.rb: New.
+
 Sat Apr 30 16:27:09 2011  KOSAKI Motohiro  <kosaki.motohiro@g...>
 
 	* io.c (copy_stream_body, rb_io_s_copy_stream): move rb_fd_init()
Index: benchmark/bm_io_select3.rb
===================================================================
--- benchmark/bm_io_select3.rb	(revision 0)
+++ benchmark/bm_io_select3.rb	(revision 31392)
@@ -0,0 +1,17 @@
+# IO.select performance. a lot of fd
+
+ios = []
+nr = 100
+max = Process.getrlimit(Process::RLIMIT_NOFILE)[0]
+puts "max fd: #{max} (results not apparent with <= 1024 max fd)"
+
+(max - 10).times do
+  r, w = IO.pipe
+  r.close
+  ios.push w
+end
+
+nr.times do
+  IO.select nil, ios
+end
+

Property changes on: benchmark/bm_io_select3.rb
___________________________________________________________________
Added: svn:eol-style
   + LF

Index: benchmark/bm_io_select2.rb
===================================================================
--- benchmark/bm_io_select2.rb	(revision 31391)
+++ benchmark/bm_io_select2.rb	(revision 31392)
@@ -1,4 +1,4 @@
-# IO.select performance. worst case
+# IO.select performance. worst case of single fd.
 
 ios = []
 nr = 1000000

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